Chris Egerton created KAFKA-12474:
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Summary: Worker can die if unable to write new session key
Key: KAFKA-12474
URL: https://issues.apache.org/jira/browse/KAFKA-12474
Project: Kafka
Issue Type: Improvement
Components: KafkaConnect
Affects Versions: 2.4.2, 2.5.2, 2.8.0, 2.7.1, 2.6.2
Reporter: Chris Egerton
Assignee: Chris Egerton
If a distributed worker is unable to write (and then read back) a new session
key to the config topic, an uncaught exception will be thrown from its herder's
tick thread, killing the worker.
See
[https://github.com/apache/kafka/blob/8da65936d7fc53d24c665c0d01893d25a430933b/connect/runtime/src/main/java/org/apache/kafka/connect/runtime/distributed/DistributedHerder.java#L366-L369]
One way we can handle this case by forcing a read to the end of the config
topic whenever an attempt to write a new session key to the config topic fails.
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